package com.jin.gulimall.cart.vo;

import java.math.BigDecimal;
import java.util.List;

/**
 * 购物车
 * 需要计算的属性，重写get方法
 */
public class Cart {

    private List<CartItem> items;
    private Integer countNum;//商品数量
    private Integer countType;//商品类型数量
    private BigDecimal totalAmount;//商品总价
    private BigDecimal reduce=new BigDecimal("0.00");//减免价格

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count=0;
        for (CartItem item : items) {
            count+=item.getCount();
        }
        return count;
    }


    public Integer getCountType() {
        return items.size();
    }

    public BigDecimal getTotalAmount() {
        //购物车项的总价
        BigDecimal bigDecimal = new BigDecimal("0.00");
        if(items!=null){
            for (CartItem item : items) {
                if(item.getCheck()){
                    bigDecimal = bigDecimal.add(item.getTotalPrice());
                }
            }
        }
        //减去优惠的价格
        BigDecimal decimal = bigDecimal.subtract(this.getReduce());
        return decimal;
    }

    public void setTotalAmount(BigDecimal totalAmount) {
        this.totalAmount = totalAmount;
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
